Summary of changes:
Please refer to the Release Notes for important information.
Fix many SIE arch-dep violation bugs
Fix to SIE handling of STFL/STFLE instructions
Internal and SIE SKA Storage Key handling fixes
Fix VM/ESA OPERATOR userid looping bug
Preliminary SIE ESSA/STHYI instructions support
Fixes to MVS assist support (#391)
ECPS:VM 1.88 fixes
ISK/ISKE, IVSK, RRB/RRBE, SSK/SSKE, RRBM, PFMF instruction fixes
Fixes to CSP/CSPG/IDTE/IPTE instructions
Minor LAA/LAAG (et al.) instructions fix
RRBM instruction fix
PTFF instruction support for function codes 04, 05, 69 (#363)
Fix DAT bug in MVCOS instruction (#349)
Local-TLB-Clearing Facility (#77)
Nonquiescing Key-Setting Facility (#77)
Insert Reference Bits Multiple Facility (#77)
Miscellaneous-Instruction-Extensions Facilities 2 and 3 (#77)
PPA-in-order facility (#77)
Allow modifying "IBM" and undefined facility bits (#353)
LCS device fixes and improvements
LCS device SNA support (#348)
3270 device connection improvements (#379)
CTCE device fixes and improvements (#369)
CTCI device fix for VSE (#446)
Minor QETH (OSA) device fixes/improvements
CCKDMAP utility CFBA/CFBA64 device support
Fix to DASDLS utility shadow file logic (#393)
CCKDLOAD utility fix (#374)
Fix dasd utilities r/o access to r/w images (#355)
Minor "faketape" emulated tape format fix
Fix possible CRASH during compressed dasd attach/detach
PANOPT statement "MSGCOLOR" option
Minor MODEL/PLANT/MANUFACTURER statement fixes
New -o/--output/--logfile command-line options
Minor Rexx support fixes and improvements
Minor External Packages updates
Fixes to herclin.exe
Translation Specification PIC 12 fix
Improved TXF reliability and completeness
Predefined CPUMODEL $(symbol) values (#263)
Improvements to building Hercules on non-Windows platforms
Improvements to building Hercules on Windows platforms (#448)
Many other minor internal/external fixes and improvements